Fig. 6: Demonstration of large-scale production of Na2−xFeFe(CN)6 and pouch full cell performance.
From: Reversible structural evolution of sodium-rich rhombohedral Prussian blue for sodium-ion batteries

a Digital image of synthesis of Prussian white Na2−xFeFe(CN)6 in 100 L reactor and powder of final product, (b) digital image of pouch full cell connected with red LED lights, (c) working mechanism of pouch full cell, (d) charge-discharge curves of pouch full cell, (e) and cycling performance of pouch full cell.